Merge branch 'PrismLauncher:develop' into menu-themes

34 files changed, 209 insertions, 144 deletions

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3225cf1e..61fd9b4c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,6 +7,10 @@ on:
         description: Type of build (Debug, Release, RelWithDebInfo, MinSizeRel)
         type: string
         default: Debug
+      is_qt_cached:
+        description: Enable Qt caching or not
+        type: string
+        default: true
     secrets:
       SPARKLE_ED25519_KEY:
         description: Private key for signing Sparkle updates
@@ -102,14 +106,6 @@ jobs:
         with:
           submodules: 'true'
 
-      - name: Initialize CodeQL
-        if: runner.os == 'Linux' && matrix.qt_ver == 6
-        uses: github/codeql-action/init@v2
-        with:
-          config-file: ./.github/codeql/codeql-config.yml
-          queries: security-and-quality
-          languages: cpp, java
-
       - name: 'Setup MSYS2'
         if: runner.os == 'Windows' && matrix.msystem != ''
         uses: msys2/setup-msys2@v2
@@ -200,8 +196,7 @@ jobs:
            arch: ${{ matrix.qt_arch }}
            modules: ${{ matrix.qt_modules }}
            tools: ${{ matrix.qt_tools }}
-           cache: true
-           cache-key-prefix: ${{ matrix.qt_host }}-${{ matrix.qt_version }}-"${{ matrix.qt_modules }}"-qt_cache
+           cache: ${{ inputs.is_qt_cached }}
 
       - name: Prepare AppImage (Linux)
         if: runner.os == 'Linux' && matrix.qt_ver != 5
@@ -293,14 +288,6 @@ jobs:
           ctest -E "^example64|example$" --test-dir build --output-on-failure -C ${{ inputs.build_type }} 
 
       ##
-      # CODE SCAN
-      ##
-
-      - name: Perform CodeQL Analysis
-        if: runner.os == 'Linux' && matrix.qt_ver == 6
-        uses: github/codeql-action/analyze@v2
-
-      ##
       # PACKAGE BUILDS
       ##
 
@@ -510,10 +497,10 @@ jobs:
           echo "VERSION=$ver_short" >> $GITHUB_ENV
       - name: Package Snap (Linux)
         id: snapcraft
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux' && inputs.build_type == 'Debug'
         uses: snapcore/action-build@v1
       - name: Upload Snap (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux' && inputs.build_type == 'Debug'
         uses: actions/upload-artifact@v3
         with:
           name: prismlauncher_${{ env.VERSION }}_amd64.snap
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 00000000..0cd1f6e4
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,35 @@
+name: "CodeQL Code Scanning"
+
+on: [ push, pull_request, workflow_dispatch ]
+
+jobs:
+  CodeQL:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          config-file: ./.github/codeql/codeql-config.yml
+          queries: security-and-quality
+          languages: cpp, java
+
+      - name: Install Dependencies
+        run:  
+          sudo apt-get -y update
+
+          sudo apt-get -y install ninja-build extra-cmake-modules scdoc qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools libqt5core5a libqt5network5 libqt5gui5
+
+      - name: Configure and Build
+        run: |
+          cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr -DLauncher_QT_VERSION_MAJOR=5 -G Ninja
+
+          cmake --build build
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2
diff --git a/.github/workflows/trigger_builds.yml b/.github/workflows/trigger_builds.yml
index 8adaa5e5..44751fbc 100644
--- a/.github/workflows/trigger_builds.yml
+++ b/.github/workflows/trigger_builds.yml
@@ -30,5 +30,6 @@ jobs:
     uses: ./.github/workflows/build.yml
     with:
       build_type: Debug
+      is_qt_cached: true
     secrets:
       SPARKLE_ED25519_KEY: ${{ secrets.SPARKLE_ED25519_KEY }}
diff --git a/.github/workflows/trigger_release.yml b/.github/workflows/trigger_release.yml
index d415b2b1..8baa9693 100644
--- a/.github/workflows/trigger_release.yml
+++ b/.github/workflows/trigger_release.yml
@@ -12,6 +12,7 @@ jobs:
     uses: ./.github/workflows/build.yml
     with:
       build_type: Release
+      is_qt_cached: false
     secrets:
       SPARKLE_ED25519_KEY: ${{ secrets.SPARKLE_ED25519_KEY }}
 
diff --git a/launcher/BaseInstance.h b/launcher/BaseInstance.h
index 307240e0..a2a4f824 100644
--- a/launcher/BaseInstance.h
+++ b/launcher/BaseInstance.h
@@ -151,7 +151,7 @@ public:
     void copyManagedPack(BaseInstance& other);
 
     /// guess log level from a line of game log
-    virtual MessageLevel::Enum guessLevel(const QString &line, MessageLevel::Enum level)
+    virtual MessageLevel::Enum guessLevel([[maybe_unused]] const QString &line, MessageLevel::Enum level)
     {
         return level;
     };
diff --git a/launcher/BaseVersionList.cpp b/launcher/BaseVersionList.cpp
index 4ed82612..dc95e7ea 100644
--- a/launcher/BaseVersionList.cpp
+++ b/launcher/BaseVersionList.cpp
@@ -95,12 +95,12 @@ BaseVersionList::RoleList BaseVersionList::providesRoles() const
 int BaseVersionList::rowCount(const QModelIndex &parent) const
 {
     // Return count
-    return count();
+    return parent.isValid() ? 0 : count();
 }
 
 int BaseVersionList::columnCount(const QModelIndex &parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
 QHash<int, QByteArray> BaseVersionList::roleNames() const
diff --git a/launcher/VersionProxyModel.cpp b/launcher/VersionProxyModel.cpp
index 032f21f9..6aba268d 100644
--- a/launcher/VersionProxyModel.cpp
+++ b/launcher/VersionProxyModel.cpp
@@ -311,14 +311,14 @@ QModelIndex VersionProxyModel::index(int row, int column, const QModelIndex &par
 
 int VersionProxyModel::columnCount(const QModelIndex &parent) const
 {
-    return m_columns.size();
+    return parent.isValid() ? 0 : m_columns.size();
 }
 
 int VersionProxyModel::rowCount(const QModelIndex &parent) const
 {
     if(sourceModel())
     {
-        return sourceModel()->rowCount();
+        return sourceModel()->rowCount(parent);
     }
     return 0;
 }
diff --git a/launcher/icons/IconList.cpp b/launcher/icons/IconList.cpp
index 3a223d1b..01043ad2 100644
--- a/launcher/icons/IconList.cpp
+++ b/launcher/icons/IconList.cpp
@@ -242,7 +242,7 @@ Qt::DropActions IconList::supportedDropActions() const
     return Qt::CopyAction;
 }
 
-bool IconList::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
+bool IconList::dropMimeData(const QMimeData *data, Qt::DropAction action, [[maybe_unused]] int row, [[maybe_unused]] int column, [[maybe_unused]] const QModelIndex &parent)
 {
     if (action == Qt::IgnoreAction)
         return true;
@@ -302,7 +302,7 @@ QVariant IconList::data(const QModelIndex &index, int role) const
 
 int IconList::rowCount(const QModelIndex &parent) const
 {
-    return icons.size();
+    return parent.isValid() ? 0 : icons.size();
 }
 
 void IconList::installIcons(const QStringList &iconFiles)
diff --git a/launcher/meta/Index.cpp b/launcher/meta/Index.cpp
index eec1b329..242aad9f 100644
--- a/launcher/meta/Index.cpp
+++ b/launcher/meta/Index.cpp
@@ -58,11 +58,11 @@ QVariant Index::data(const QModelIndex &index, int role) const
 }
 int Index::rowCount(const QModelIndex &parent) const
 {
-    return m_lists.size();
+    return parent.isValid() ? 0 : m_lists.size();
 }
 int Index::columnCount(const QModelIndex &parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 QVariant Index::headerData(int section, Qt::Orientation orientation, int role) const
 {
diff --git a/launcher/meta/JsonFormat.h b/launcher/meta/JsonFormat.h
index 93217b7e..63128a4e 100644
--- a/launcher/meta/JsonFormat.h
+++ b/launcher/meta/JsonFormat.h
@@ -60,11 +60,6 @@ struct Require
     QString suggests;
 };
 
-inline Q_DECL_PURE_FUNCTION uint qHash(const Require &key, uint seed = 0) Q_DECL_NOTHROW
-{
-    return qHash(key.uid, seed);
-}
-
 using RequireSet = std::set<Require>;
 
 void parseIndex(const QJsonObject &obj, Index *ptr);
diff --git a/launcher/minecraft/PackProfile.cpp b/launcher/minecraft/PackProfile.cpp
index 1618458f..6ce525eb 100644
--- a/launcher/minecraft/PackProfile.cpp
+++ b/launcher/minecraft/PackProfile.cpp
@@ -613,7 +613,7 @@ QVariant PackProfile::data(const QModelIndex &index, int role) const
 
 bool PackProfile::setData(const QModelIndex& index, const QVariant& value, int role)
 {
-    if (!index.isValid() || index.row() < 0 || index.row() >= rowCount(index))
+    if (!index.isValid() || index.row() < 0 || index.row() >= rowCount(index.parent()))
     {
         return false;
     }
@@ -675,12 +675,12 @@ Qt::ItemFlags PackProfile::flags(const QModelIndex &index) const
 
 int PackProfile::rowCount(const QModelIndex &parent) const
 {
-    return d->components.size();
+    return parent.isValid() ? 0 : d->components.size();
 }
 
 int PackProfile::columnCount(const QModelIndex &parent) const
 {
-    return NUM_COLUMNS;
+    return parent.isValid() ? 0 : NUM_COLUMNS;
 }
 
 void PackProfile::move(const int index, const MoveDirection direction)
diff --git a/launcher/minecraft/Rule.h b/launcher/minecraft/Rule.h
index 236f9a87..846e8e42 100644
--- a/launcher/minecraft/Rule.h
+++ b/launcher/minecraft/Rule.h
@@ -104,7 +104,7 @@ public:
 class ImplicitRule : public Rule
 {
 protected:
-    virtual bool applies(const Library *, const RuntimeContext & runtimeContext)
+    virtual bool applies(const Library *, [[maybe_unused]] const RuntimeContext & runtimeContext)
     {
         return true;
     }
diff --git a/launcher/minecraft/WorldList.cpp b/launcher/minecraft/WorldList.cpp
index aee7be35..ae29a972 100644
--- a/launcher/minecraft/WorldList.cpp
+++ b/launcher/minecraft/WorldList.cpp
@@ -173,7 +173,7 @@ bool WorldList::resetIcon(int row)
 
 int WorldList::columnCount(const QModelIndex &parent) const
 {
-    return 4;
+    return parent.isValid()? 0 : 4;
 }
 
 QVariant WorldList::data(const QModelIndex &index, int role) const
@@ -398,8 +398,8 @@ void WorldList::installWorld(QFileInfo filename)
     w.install(m_dir.absolutePath());
 }
 
-bool WorldList::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
-                             const QModelIndex &parent)
+bool WorldList::dropMimeData(const QMimeData *data, Qt::DropAction action, [[maybe_unused]] int row, [[maybe_unused]] int column,
+                             [[maybe_unused]] const QModelIndex &parent)
 {
     if (action == Qt::IgnoreAction)
         return true;
diff --git a/launcher/minecraft/WorldList.h b/launcher/minecraft/WorldList.h
index 5138e583..08294755 100644
--- a/launcher/minecraft/WorldList.h
+++ b/launcher/minecraft/WorldList.h
@@ -54,7 +54,7 @@ public:
 
     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const
     {
-        return size();
+        return parent.isValid() ? 0 : static_cast<int>(size());
     };
     virtual QVariant headerData(int section, Qt::Orientation orientation,
                                 int role = Qt::DisplayRole) const;
diff --git a/launcher/minecraft/auth/AccountList.cpp b/launcher/minecraft/auth/AccountList.cpp
index b3b57c74..9e2fd111 100644
--- a/launcher/minecraft/auth/AccountList.cpp
+++ b/launcher/minecraft/auth/AccountList.cpp
@@ -408,20 +408,20 @@ QVariant AccountList::headerData(int section, Qt::Orientation orientation, int r
     }
 }
 
-int AccountList::rowCount(const QModelIndex &) const
+int AccountList::rowCount(const QModelIndex &parent) const
 {
     // Return count
-    return count();
+    return parent.isValid() ? 0 : count();
 }
 
-int AccountList::columnCount(const QModelIndex &) const
+int AccountList::columnCount(const QModelIndex &parent) const
 {
-    return NUM_COLUMNS;
+    return parent.isValid() ? 0 : NUM_COLUMNS;
 }
 
 Qt::ItemFlags AccountList::flags(const QModelIndex &index) const
 {
-    if (index.row() < 0 || index.row() >= rowCount(index) || !index.isValid())
+    if (index.row() < 0 || index.row() >= rowCount(index.parent()) || !index.isValid())
     {
         return Qt::NoItemFlags;
     }
diff --git a/launcher/minecraft/mod/ModFolderModel.cpp b/launcher/minecraft/mod/ModFolderModel.cpp
index 66e80f4a..4ccc5d4d 100644
--- a/launcher/minecraft/mod/ModFolderModel.cpp
+++ b/launcher/minecraft/mod/ModFolderModel.cpp
@@ -144,7 +144,7 @@ QVariant ModFolderModel::headerData(int section, Qt::Orientation orientation, in
 
 int ModFolderModel::columnCount(const QModelIndex &parent) const
 {
-    return NUM_COLUMNS;
+    return parent.isValid() ? 0 : NUM_COLUMNS;
 }
 
 Task* ModFolderModel::createUpdateTask()
diff --git a/launcher/minecraft/mod/ResourceFolderModel.cpp b/launcher/minecraft/mod/ResourceFolderModel.cpp
index b2356309..0310c8f6 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourceFolderModel.cpp
@@ -426,7 +426,7 @@ QVariant ResourceFolderModel::data(const QModelIndex& index, int role) const
 bool ResourceFolderModel::setData(const QModelIndex& index, const QVariant& value, int role)
 {
     int row = index.row();
-    if (row < 0 || row >= rowCount(index) || !index.isValid())
+    if (row < 0 || row >= rowCount(index.parent()) || !index.isValid())
         return false;
 
     if (role == Qt::CheckStateRole)
diff --git a/launcher/minecraft/mod/ResourceFolderModel.h b/launcher/minecraft/mod/ResourceFolderModel.h
index 25095a45..fe283b04 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.h
+++ b/launcher/minecraft/mod/ResourceFolderModel.h
@@ -90,8 +90,8 @@ class ResourceFolderModel : public QAbstractListModel {
     /* Basic columns */
     enum Columns { ACTIVE_COLUMN = 0, NAME_COLUMN, DATE_COLUMN, NUM_COLUMNS };
 
-    [[nodiscard]] int rowCount(const QModelIndex& = {}) const override { return size(); }
-    [[nodiscard]] int columnCount(const QModelIndex& = {}) const override { return NUM_COLUMNS; };
+    [[nodiscard]] int rowCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : static_cast<int>(size()); }
+    [[nodiscard]] int columnCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : NUM_COLUMNS; };
 
     [[nodiscard]] Qt::DropActions supportedDropActions() const override;
 
@@ -176,7 +176,7 @@ class ResourceFolderModel : public QAbstractListModel {
      *  if the resource is complex and has more stuff to parse.
      */
     virtual void onParseSucceeded(int ticket, QString resource_id);
-    virtual void onParseFailed(int ticket, QString resource_id) {}
+    virtual void onParseFailed(int ticket, QString resource_id) { Q_UNUSED(ticket); Q_UNUSED(resource_id); }
 
    protected:
     // Represents the relationship between a column's index (represented by the list index), and it's sorting key.
diff --git a/launcher/minecraft/mod/ResourcePackFolderModel.cpp b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
index f8a6c1cf..ebac707d 100644
--- a/launcher/minecraft/mod/ResourcePackFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
@@ -137,7 +137,7 @@ QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orient
 
 int ResourcePackFolderModel::columnCount(const QModelIndex& parent) const
 {
-    return NUM_COLUMNS;
+    return parent.isValid() ? 0 : NUM_COLUMNS;
 }
 
 Task* ResourcePackFolderModel::createUpdateTask()
diff --git a/launcher/minecraft/mod/tasks/LocalModParseTask.cpp b/launcher/minecraft/mod/tasks/LocalModParseTask.cpp
index a694e7b2..774f6114 100644
--- a/launcher/minecraft/mod/tasks/LocalModParseTask.cpp
+++ b/launcher/minecraft/mod/tasks/LocalModParseTask.cpp
@@ -121,7 +121,7 @@ ModDetails ReadMCModTOML(QByteArray contents)
         return {};
     }
     auto modsTable = tomlModsTable0->as_table();
-    if (!tomlModsTable0) {
+    if (!modsTable) {
         qWarning() << "Corrupted mods.toml? [[mods]] was not a table!";
         return {};
     }
diff --git a/launcher/net/HttpMetaCache.cpp b/launcher/net/HttpMetaCache.cpp
index e242dcf4..0d7ca769 100644
--- a/launcher/net/HttpMetaCache.cpp
+++ b/launcher/net/HttpMetaCache.cpp
@@ -47,7 +47,7 @@
 auto MetaEntry::getFullPath() -> QString
 {
     // FIXME: make local?
-    return FS::PathCombine(basePath, relativePath);
+    return FS::PathCombine(m_basePath, m_relativePath);
 }
 
 HttpMetaCache::HttpMetaCache(QString path) : QObject(), m_index_file(path)
@@ -99,7 +99,7 @@ auto HttpMetaCache::resolveEntry(QString base, QString resource_path, QString ex
         return staleEntry(base, resource_path);
     }
 
-    if (!expected_etag.isEmpty() && expected_etag != entry->etag) {
+    if (!expected_etag.isEmpty() && expected_etag != entry->m_etag) {
         // if the etag doesn't match expected, we disown the entry
         selected_base.entry_list.remove(resource_path);
         return staleEntry(base, resource_path);
@@ -107,17 +107,17 @@ auto HttpMetaCache::resolveEntry(QString base, QString resource_path, QString ex
 
     // if the file changed, check md5sum
     qint64 file_last_changed = finfo.lastModified().toUTC().toMSecsSinceEpoch();
-    if (file_last_changed != entry->local_changed_timestamp) {
+    if (file_last_changed != entry->m_local_changed_timestamp) {
         QFile input(real_path);
         input.open(QIODevice::ReadOnly);
         QString md5sum = QCryptographicHash::hash(input.readAll(), QCryptographicHash::Md5).toHex().constData();
-        if (entry->md5sum != md5sum) {
+        if (entry->m_md5sum != md5sum) {
             selected_base.entry_list.remove(resource_path);
             return staleEntry(base, resource_path);
         }
 
         // md5sums matched... keep entry and save the new state to file
-        entry->local_changed_timestamp = file_last_changed;
+        entry->m_local_changed_timestamp = file_last_changed;
         SaveEventually();
     }
 
@@ -130,23 +130,23 @@ auto HttpMetaCache::resolveEntry(QString base, QString resource_path, QString ex
     }
 
     // entry passed all the checks we cared about.
-    entry->basePath = getBasePath(base);
+    entry->m_basePath = getBasePath(base);
     return entry;
 }
 
 auto HttpMetaCache::updateEntry(MetaEntryPtr stale_entry) -> bool
 {
-    if (!m_entries.contains(stale_entry->baseId)) {
-        qCritical() << "Cannot add entry with unknown base: " << stale_entry->baseId.toLocal8Bit();
+    if (!m_entries.contains(stale_entry->m_baseId)) {
+        qCritical() << "Cannot add entry with unknown base: " << stale_entry->m_baseId.toLocal8Bit();
         return false;
     }
 
-    if (stale_entry->stale) {
+    if (stale_entry->m_stale) {
         qCritical() << "Cannot add stale entry: " << stale_entry->getFullPath().toLocal8Bit();
         return false;
     }
 
-    m_entries[stale_entry->baseId].entry_list[stale_entry->relativePath] = stale_entry;
+    m_entries[stale_entry->m_baseId].entry_list[stale_entry->m_relativePath] = stale_entry;
     SaveEventually();
 
     return true;
@@ -157,7 +157,7 @@ auto HttpMetaCache::evictEntry(MetaEntryPtr entry) -> bool
     if (!entry)
         return false;
 
-    entry->stale = true;
+    entry->m_stale = true;
     SaveEventually();
     return true;
 }
@@ -169,7 +169,7 @@ void HttpMetaCache::evictAll()
         qDebug() << "Evicting base" << base;
         for (MetaEntryPtr entry : map.entry_list) {
             if (!evictEntry(entry))
-                qWarning() << "Unexpected missing cache entry" << entry->basePath;
+                qWarning() << "Unexpected missing cache entry" << entry->m_basePath;
         }
     }
 }
@@ -177,10 +177,10 @@ void HttpMetaCache::evictAll()
 auto HttpMetaCache::staleEntry(QString base, QString resource_path) -> MetaEntryPtr
 {
     auto foo = new MetaEntry();
-    foo->baseId = base;
-    foo->basePath = getBasePath(base);
-    foo->relativePath = resource_path;
-    foo->stale = true;
+    foo->m_baseId = base;
+    foo->m_basePath = getBasePath(base);
+    foo->m_relativePath = resource_path;
+    foo->m_stale = true;
 
     return MetaEntryPtr(foo);
 }
@@ -235,23 +235,23 @@ void HttpMetaCache::Load()
         auto& entrymap = m_entries[base];
 
         auto foo = new MetaEntry();
-        foo->baseId = base;
-        foo->relativePath = Json::ensureString(element_obj, "path");
-        foo->md5sum = Json::ensureString(element_obj, "md5sum");
-        foo->etag = Json::ensureString(element_obj, "etag");
-        foo->local_changed_timestamp = Json::ensureDouble(element_obj, "last_changed_timestamp");
-        foo->remote_changed_timestamp = Json::ensureString(element_obj, "remote_changed_timestamp");
+        foo->m_baseId = base;
+        foo->m_relativePath = Json::ensureString(element_obj, "path");
+        foo->m_md5sum = Json::ensureString(element_obj, "md5sum");
+        foo->m_etag = Json::ensureString(element_obj, "etag");
+        foo->m_local_changed_timestamp = Json::ensureDouble(element_obj, "last_changed_timestamp");
+        foo->m_remote_changed_timestamp = Json::ensureString(element_obj, "remote_changed_timestamp");
 
         foo->makeEternal(Json::ensureBoolean(element_obj, (const QString)QStringLiteral("eternal"), false));
         if (!foo->isEternal()) {
-            foo->current_age = Json::ensureDouble(element_obj, "current_age");
-            foo->max_age = Json::ensureDouble(element_obj, "max_age");
+            foo->m_current_age = Json::ensureDouble(element_obj, "current_age");
+            foo->m_max_age = Json::ensureDouble(element_obj, "max_age");
         }
 
         // presumed innocent until closer examination
-        foo->stale = false;
+        foo->m_stale = false;
 
-        entrymap.entry_list[foo->relativePath] = MetaEntryPtr(foo);
+        entrymap.entry_list[foo->m_relativePath] = MetaEntryPtr(foo);
     }
 }
 
@@ -276,23 +276,23 @@ void HttpMetaCache::SaveNow()
     for (auto group : m_entries) {
         for (auto entry : group.entry_list) {
             // do not save stale entries. they are dead.
-            if (entry->stale) {
+            if (entry->m_stale) {
                 continue;
             }
 
             QJsonObject entryObj;
-            Json::writeString(entryObj, "base", entry->baseId);
-            Json::writeString(entryObj, "path", entry->relativePath);
-            Json::writeString(entryObj, "md5sum", entry->md5sum);
-            Json::writeString(entryObj, "etag", entry->etag);
-            entryObj.insert("last_changed_timestamp", QJsonValue(double(entry->local_changed_timestamp)));
-            if (!entry->remote_changed_timestamp.isEmpty())
-                entryObj.insert("remote_changed_timestamp", QJsonValue(entry->remote_changed_timestamp));
+            Json::writeString(entryObj, "base", entry->m_baseId);
+            Json::writeString(entryObj, "path", entry->m_relativePath);
+            Json::writeString(entryObj, "md5sum", entry->m_md5sum);
+            Json::writeString(entryObj, "etag", entry->m_etag);
+            entryObj.insert("last_changed_timestamp", QJsonValue(double(entry->m_local_changed_timestamp)));
+            if (!entry->m_remote_changed_timestamp.isEmpty())
+                entryObj.insert("remote_changed_timestamp", QJsonValue(entry->m_remote_changed_timestamp));
             if (entry->isEternal()) {
                 entryObj.insert("eternal", true);
             } else {
-                entryObj.insert("current_age", QJsonValue(double(entry->current_age)));
-                entryObj.insert("max_age", QJsonValue(double(entry->max_age)));
+                entryObj.insert("current_age", QJsonValue(double(entry->m_current_age)));
+                entryObj.insert("max_age", QJsonValue(double(entry->m_max_age)));
             }
             entriesArr.append(entryObj);
         }
diff --git a/launcher/net/HttpMetaCache.h b/launcher/net/HttpMetaCache.h
index 2a07d65a..37f4b49a 100644
--- a/launcher/net/HttpMetaCache.h
+++ b/launcher/net/HttpMetaCache.h
@@ -49,47 +49,47 @@ class MetaEntry {
     MetaEntry() = default;
 
    public:
-    auto isStale() -> bool { return stale; }
-    void setStale(bool stale) { this->stale = stale; }
+    auto isStale() -> bool { return m_stale; }
+    void setStale(bool stale) { m_stale = stale; }
 
     auto getFullPath() -> QString;
 
-    auto getRemoteChangedTimestamp() -> QString { return remote_changed_timestamp; }
-    void setRemoteChangedTimestamp(QString remote_changed_timestamp) { this->remote_changed_timestamp = remote_changed_timestamp; }
-    void setLocalChangedTimestamp(qint64 timestamp) { local_changed_timestamp = timestamp; }
+    auto getRemoteChangedTimestamp() -> QString { return m_remote_changed_timestamp; }
+    void setRemoteChangedTimestamp(QString remote_changed_timestamp) { m_remote_changed_timestamp = remote_changed_timestamp; }
+    void setLocalChangedTimestamp(qint64 timestamp) { m_local_changed_timestamp = timestamp; }
 
-    auto getETag() -> QString { return etag; }
-    void setETag(QString etag) { this->etag = etag; }
+    auto getETag() -> QString { return m_etag; }
+    void setETag(QString etag) { m_etag = etag; }
 
-    auto getMD5Sum() -> QString { return md5sum; }
-    void setMD5Sum(QString md5sum) { this->md5sum = md5sum; }
+    auto getMD5Sum() -> QString { return m_md5sum; }
+    void setMD5Sum(QString md5sum) { m_md5sum = md5sum; }
 
     /* Whether the entry expires after some time (false) or not (true). */
-    void makeEternal(bool eternal) { is_eternal = eternal; }
-    [[nodiscard]] bool isEternal() const { return is_eternal; }
+    void makeEternal(bool eternal) { m_is_eternal = eternal; }
+    [[nodiscard]] bool isEternal() const { return m_is_eternal; }
 
-    auto getCurrentAge() -> qint64 { return current_age; }
-    void setCurrentAge(qint64 age) { current_age = age; }
+    auto getCurrentAge() -> qint64 { return m_current_age; }
+    void setCurrentAge(qint64 age) { m_current_age = age; }
 
-    auto getMaximumAge() -> qint64 { return max_age; }
-    void setMaximumAge(qint64 age) { max_age = age; }
+    auto getMaximumAge() -> qint64 { return m_max_age; }
+    void setMaximumAge(qint64 age) { m_max_age = age; }
 
-    bool isExpired(qint64 offset) { return !is_eternal && (current_age >= max_age - offset); };
+    bool isExpired(qint64 offset) { return !m_is_eternal && (m_current_age >= m_max_age - offset); };
 
    protected:
-    QString baseId;
-    QString basePath;
-    QString relativePath;
-    QString md5sum;
-    QString etag;
-
-    qint64 local_changed_timestamp = 0;
-    QString remote_changed_timestamp;  // QString for now, RFC 2822 encoded time
-    qint64 current_age = 0;
-    qint64 max_age = 0;
-    bool is_eternal = false;
-
-    bool stale = true;
+    QString m_baseId;
+    QString m_basePath;
+    QString m_relativePath;
+    QString m_md5sum;
+    QString m_etag;
+
+    qint64 m_local_changed_timestamp = 0;
+    QString m_remote_changed_timestamp;  // QString for now, RFC 2822 encoded time
+    qint64 m_current_age = 0;
+    qint64 m_max_age = 0;
+    bool m_is_eternal = false;
+
+    bool m_stale = true;
 };
 
 using MetaEntryPtr = std::shared_ptr<MetaEntry>;
diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp
index 31d0f6c2..8d5e0c83 100644
--- a/launcher/ui/MainWindow.cpp
+++ b/launcher/ui/MainWindow.cpp
@@ -61,6 +61,7 @@
 #include <QMenu>
 #include <QMenuBar>
 #include <QMessageBox>
+#include <QFileDialog>
 #include <QInputDialog>
 #include <QLabel>
 #include <QToolButton>
@@ -253,6 +254,9 @@ public:
     QMenu * helpMenu = nullptr;
     TranslatedToolButton helpMenuButton;
     TranslatedAction actionClearMetadata;
+    #ifdef Q_OS_MAC
+    TranslatedAction actionAddToPATH;
+    #endif
     TranslatedAction actionReportBug;
     TranslatedAction actionDISCORD;
     TranslatedAction actionMATRIX;
@@ -352,6 +356,14 @@ public:
         actionClearMetadata.setTooltipId(QT_TRANSLATE_NOOP("MainWindow", "Clear cached metadata"));
         all_actions.append(&actionClearMetadata);
 
+        #ifdef Q_OS_MAC
+        actionAddToPATH = TranslatedAction(MainWindow);
+        actionAddToPATH->setObjectName(QStringLiteral("actionAddToPATH"));
+        actionAddToPATH.setTextId(QT_TRANSLATE_NOOP("MainWindow", "Install to &PATH"));
+        actionAddToPATH.setTooltipId(QT_TRANSLATE_NOOP("MainWindow", "Install a prismlauncher symlink to /usr/local/bin"));
+        all_actions.append(&actionAddToPATH);
+        #endif
+
         if (!BuildConfig.BUG_TRACKER_URL.isEmpty()) {
             actionReportBug = TranslatedAction(MainWindow);
             actionReportBug->setObjectName(QStringLiteral("actionReportBug"));
@@ -462,6 +474,10 @@ public:
 
         helpMenu->addAction(actionClearMetadata);
 
+        #ifdef Q_OS_MAC
+        helpMenu->addAction(actionAddToPATH);
+        #endif
+
         if (!BuildConfig.BUG_TRACKER_URL.isEmpty()) {
             helpMenu->addAction(actionReportBug);
         }
@@ -551,6 +567,9 @@ public:
         helpMenu = menuBar->addMenu(tr("&Help"));
         helpMenu->setSeparatorsCollapsible(false);
         helpMenu->addAction(actionClearMetadata);
+        #ifdef Q_OS_MAC
+        helpMenu->addAction(actionAddToPATH);
+        #endif
         helpMenu->addSeparator();
         helpMenu->addAction(actionAbout);
         helpMenu->addAction(actionOpenWiki);
@@ -1955,6 +1974,29 @@ void MainWindow::on_actionClearMetadata_triggered()
     APPLICATION->metacache()->SaveNow();
 }
 
+#ifdef Q_OS_MAC
+void MainWindow::on_actionAddToPATH_triggered()
+{
+    auto binaryPath = APPLICATION->applicationFilePath();
+    auto targetPath = QString("/usr/local/bin/%1").arg(BuildConfig.LAUNCHER_APP_BINARY_NAME);
+    qDebug() << "Symlinking" << binaryPath << "to" << targetPath;
+
+    QStringList args;
+    args << "-e";
+    args << QString("do shell script \"mkdir -p /usr/local/bin && ln -sf '%1' '%2'\" with administrator privileges")
+                .arg(binaryPath, targetPath);
+    auto outcome = QProcess::execute("/usr/bin/osascript", args);
+    if (!outcome) {
+        QMessageBox::information(this, tr("Successfully added %1 to PATH").arg(BuildConfig.LAUNCHER_DISPLAYNAME),
+                                 tr("%1 was successfully added to your PATH. You can now start it by running `%2`.")
+                                     .arg(BuildConfig.LAUNCHER_DISPLAYNAME, BuildConfig.LAUNCHER_APP_BINARY_NAME));
+    } else {
+        QMessageBox::critical(this, tr("Failed to add %1 to PATH").arg(BuildConfig.LAUNCHER_DISPLAYNAME),
+                              tr("An error occurred while trying to add %1 to PATH").arg(BuildConfig.LAUNCHER_DISPLAYNAME));
+    }
+}
+#endif
+
 void MainWindow::on_actionOpenWiki_triggered()
 {
     DesktopServices::openUrl(QUrl(BuildConfig.HELP_URL.arg("")));
diff --git a/launcher/ui/MainWindow.h b/launcher/ui/MainWindow.h
index 47e221b7..0aa01ee2 100644
--- a/launcher/ui/MainWindow.h
+++ b/launcher/ui/MainWindow.h
@@ -128,6 +128,10 @@ private slots:
 
     void on_actionClearMetadata_triggered();
 
+    #ifdef Q_OS_MAC
+    void on_actionAddToPATH_triggered();
+    #endif
+
     void on_actionOpenWiki_triggered();
 
     void on_actionMoreNews_triggered();
diff --git a/launcher/ui/pages/instance/ServersPage.cpp b/launcher/ui/pages/instance/ServersPage.cpp
index 5e8bd7cc..d64bcb76 100644
--- a/launcher/ui/pages/instance/ServersPage.cpp
+++ b/launcher/ui/pages/instance/ServersPage.cpp
@@ -400,11 +400,11 @@ public:
 
     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override
     {
-        return m_servers.size();
+        return parent.isValid() ? 0 : m_servers.size();
     }
     int columnCount(const QModelIndex & parent) const override
     {
-        return COLUMN_COUNT;
+        return parent.isValid() ? 0 : COLUMN_COUNT;
     }
 
     Server * at(int index)
diff --git a/launcher/ui/pages/modplatform/ModModel.h b/launcher/ui/pages/modplatform/ModModel.h
index d2636d87..36840649 100644
--- a/launcher/ui/pages/modplatform/ModModel.h
+++ b/launcher/ui/pages/modplatform/ModModel.h
@@ -20,8 +20,8 @@ class ListModel : public QAbstractListModel {
     ListModel(ModPage* parent);
     ~ListModel() override;
 
-    inline auto rowCount(const QModelIndex& parent) const -> int override { return modpacks.size(); };
-    inline auto columnCount(const QModelIndex& parent) const -> int override { return 1; };
+    inline auto rowCount(const QModelIndex& parent) const -> int override { return parent.isValid() ? 0 : modpacks.size(); };
+    inline auto columnCount(const QModelIndex& parent) const -> int override { return parent.isValid() ? 0 : 1; };
     inline auto flags(const QModelIndex& index) const -> Qt::ItemFlags override { return QAbstractListModel::flags(index); };
 
     auto debugName() const -> QString;
@@ -41,12 +41,12 @@ class ListModel : public QAbstractListModel {
     void requestModVersions(const ModPlatform::IndexedPack& current, QModelIndex index);
 
     virtual void loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj) = 0;
-    virtual void loadExtraPackInfo(ModPlatform::IndexedPack& m, QJsonObject& obj) {};
+    virtual void loadExtraPackInfo(ModPlatform::IndexedPack& m, QJsonObject& obj) = 0;
     virtual void loadIndexedPackVersions(ModPlatform::IndexedPack& m, QJsonArray& arr) = 0;
 
     void getLogo(const QString& logo, const QString& logoUrl, LogoCallback callback);
 
-    inline auto canFetchMore(const QModelIndex& parent) const -> bool override { return searchState == CanPossiblyFetchMore; };
+    inline auto canFetchMore(const QModelIndex& parent) const -> bool override { return parent.isValid() ? false : searchState == CanPossiblyFetchMore; };
 
    public slots:
     void searchRequestFinished(QJsonDocument& doc);
diff --git a/launcher/ui/pages/modplatform/ModPage.cpp b/launcher/ui/pages/modplatform/ModPage.cpp
index 234f9f36..677bc4d6 100644
--- a/launcher/ui/pages/modplatform/ModPage.cpp
+++ b/launcher/ui/pages/modplatform/ModPage.cpp
@@ -262,7 +262,7 @@ void ModPage::openUrl(const QUrl& url)
 
     const QString address = url.host() + url.path();
     QRegularExpressionMatch match;
-    const char* page;
+    QString page;
 
     match = modrinth.match(address);
     if (match.hasMatch())
@@ -276,7 +276,7 @@ void ModPage::openUrl(const QUrl& url)
             page = "curseforge";
     }
 
-    if (match.hasMatch()) {
+    if (!page.isNull()) {
         const QString slug = match.captured(1);
 
         // ensure the user isn't opening the same mod
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
index ef9a9268..2ce04068 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
@@ -32,12 +32,12 @@ ListModel::~ListModel()
 
 int ListModel::rowCount(const QModelIndex &parent) const
 {
-    return modpacks.size();
+    return parent.isValid() ? 0 : modpacks.size();
 }
 
 int ListModel::columnCount(const QModelIndex &parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
 QVariant ListModel::data(const QModelIndex &index, int role) const
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.cpp
index 9138dcbb..cdb4532c 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.cpp
@@ -75,12 +75,12 @@ QVector<QString> AtlOptionalModListModel::getResult() {
 }
 
 int AtlOptionalModListModel::rowCount(const QModelIndex &parent) const {
-    return m_mods.size();
+    return parent.isValid() ? 0 : m_mods.size();
 }
 
 int AtlOptionalModListModel::columnCount(const QModelIndex &parent) const {
     // Enabled, Name, Description
-    return 3;
+    return parent.isValid() ? 0 : 3;
 }
 
 QVariant AtlOptionalModListModel::data(const QModelIndex &index, int role) const {
diff --git a/launcher/ui/pages/modplatform/flame/FlameModel.cpp b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
index debae8c3..127c3de5 100644
--- a/launcher/ui/pages/modplatform/flame/FlameModel.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
@@ -15,12 +15,12 @@ ListModel::~ListModel() {}
 
 int ListModel::rowCount(const QModelIndex& parent) const
 {
-    return modpacks.size();
+    return parent.isValid() ? 0 : modpacks.size();
 }
 
 int ListModel::columnCount(const QModelIndex& parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
 QVariant ListModel::data(const QModelIndex& index, int role) const
diff --git a/launcher/ui/pages/modplatform/ftb/FtbListModel.cpp b/launcher/ui/pages/modplatform/ftb/FtbListModel.cpp
index 3a149944..ce2b2b18 100644
--- a/launcher/ui/pages/modplatform/ftb/FtbListModel.cpp
+++ b/launcher/ui/pages/modplatform/ftb/FtbListModel.cpp
@@ -34,12 +34,12 @@ ListModel::~ListModel()
 
 int ListModel::rowCount(const QModelIndex &parent) const
 {
-    return modpacks.size();
+    return parent.isValid() ? 0 : modpacks.size();
 }
 
 int ListModel::columnCount(const QModelIndex &parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
 QVariant ListModel::data(const QModelIndex &index, int role) const
diff --git a/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp b/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
index 6f11cc95..6b1f6b89 100644
--- a/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
+++ b/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
@@ -125,12 +125,12 @@ QString ListModel::translatePackType(PackType type) const
 
 int ListModel::rowCount(const QModelIndex &parent) const
 {
-    return modpacks.size();
+    return parent.isValid() ? 0 : modpacks.size();
 }
 
 int ListModel::columnCount(const QModelIndex &parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
 QVariant ListModel::data(const QModelIndex &index, int role) const
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthModel.h b/launcher/ui/pages/modplatform/modrinth/ModrinthModel.h
index 6f33e11e..3be377a1 100644
--- a/launcher/ui/pages/modplatform/modrinth/ModrinthModel.h
+++ b/launcher/ui/pages/modplatform/modrinth/ModrinthModel.h
@@ -55,8 +55,8 @@ class ModpackListModel : public QAbstractListModel {
     ModpackListModel(ModrinthPage* parent);
     ~ModpackListModel() override = default;
 
-    inline auto rowCount(const QModelIndex& parent) const -> int override { return modpacks.size(); };
-    inline auto columnCount(const QModelIndex& parent) const -> int override { return 1; };
+    inline auto rowCount(const QModelIndex& parent) const -> int override { return parent.isValid() ? 0 : modpacks.size(); };
+    inline auto columnCount(const QModelIndex& parent) const -> int override { return parent.isValid() ? 0 : 1; };
     inline auto flags(const QModelIndex& index) const -> Qt::ItemFlags override { return QAbstractListModel::flags(index); };
 
     auto debugName() const -> QString;
@@ -74,7 +74,7 @@ class ModpackListModel : public QAbstractListModel {
 
     void getLogo(const QString& logo, const QString& logoUrl, LogoCallback callback);
 
-    inline auto canFetchMore(const QModelIndex& parent) const -> bool override { return searchState == CanPossiblyFetchMore; };
+    inline auto canFetchMore(const QModelIndex& parent) const -> bool override { return parent.isValid() ? false : searchState == CanPossiblyFetchMore; };
 
    public slots:
     void searchRequestFinished(QJsonDocument& doc_all);
diff --git a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
index 742f4f2a..b2af1ac0 100644
--- a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
+++ b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
@@ -80,14 +80,14 @@ QVariant Technic::ListModel::data(const QModelIndex& index, int role) const
     return QVariant();
 }
 
-int Technic::ListModel::columnCount(const QModelIndex&) const
+int Technic::ListModel::columnCount(const QModelIndex& parent) const
 {
-    return 1;
+    return parent.isValid() ? 0 : 1;
 }
 
-int Technic::ListModel::rowCount(const QModelIndex&) const
+int Technic::ListModel::rowCount(const QModelIndex& parent) const
 {
-    return modpacks.size();
+    return parent.isValid() ? 0 : modpacks.size();
 }
 
 void Technic::ListModel::searchWithTerm(const QString& term)